/// <summary>
/// Refresh projection nodes.
/// </summary>
/// <returns>Nodes.</returns>
private IList <IClientClusterNode> RefreshNodes()
{
long oldTopVer = Interlocked.Read(ref _topVer);
var topology = RequestTopologyInformation(oldTopVer);
if (topology != null)
{
UpdateTopology(topology.Item1, topology.Item2);
RequestNodesInfo(topology.Item2);
}
// No topology changes.
Debug.Assert(_nodeIds != null, "At least one topology update should have occurred.");
// Local lookup with a native predicate is a trade off between complexity and consistency.
var nodesList = new List <IClientClusterNode>();
foreach (Guid nodeId in _nodeIds)
{
IClientClusterNode node = _ignite.GetClientNode(nodeId);
if (_predicate == null || _predicate(node))
{
nodesList.Add(node);
}
}
return(nodesList);
}
/// <summary>
/// Asserts that client and server node representations are equals.
/// </summary>
/// <param name="clusterNode"></param>
/// <param name="clientNode"></param>
private static void AssertNodesAreEqual(IClusterNode clusterNode, IClientClusterNode clientNode)
{
AssertExtensions.ReflectionEqual(clusterNode.Id, clientNode.Id);
AssertExtensions.ReflectionEqual(clusterNode.Addresses, clientNode.Addresses);
AssertExtensions.ReflectionEqual(clusterNode.HostNames, clientNode.HostNames);
AssertExtensions.ReflectionEqual(clusterNode.IsClient, clientNode.IsClient);
AssertExtensions.ReflectionEqual(clusterNode.IsDaemon, clientNode.IsDaemon);
AssertExtensions.ReflectionEqual(clusterNode.IsLocal, clientNode.IsLocal);
AssertExtensions.ReflectionEqual(clusterNode.Order, clientNode.Order);
AssertExtensions.ReflectionEqual(clusterNode.Version, clientNode.Version);
AssertExtensions.ReflectionEqual(clusterNode.Attributes, clientNode.Attributes);
}
public void TestClusterGroupDoesNotUpdateTopologyIfNoChangesDetected()
{
var clusterGroup = (ClientClusterGroup)Client.GetCluster();
IClientClusterNode node = clusterGroup.GetNode();
// Set the wrong ids, but keep the same topology version.
var invalidNodeIds = new[] { Guid.NewGuid(), Guid.Empty };
clusterGroup.UpdateTopology(1L, invalidNodeIds);
Assert.AreSame(node, clusterGroup.GetNode());
}
